document.write( "Question 208047: A square has a diagonal of 10 sq. root of 2, find the perimeter and it's area? \n" ); document.write( "
Algebra.Com's Answer #157376 by stanbon(75887)\"\" \"About 
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A square has a diagonal of 10 sq. root of 2, find the perimeter and it's area?
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\n" ); document.write( "Let each side be \"s\":
\n" ); document.write( "Equation:
\n" ); document.write( "s^2 + s^2 = (10sqrt(2))^2
\n" ); document.write( "2s^2 = 200
\n" ); document.write( "s^2 = 100
\n" ); document.write( "s = 10
\n" ); document.write( "---------------
\n" ); document.write( "Perimeter = 4s = 40
\n" ); document.write( "Area = s^2 = 100
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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